PS102 Lecture Notes - Lecture 6: Homeostasis, Central Serous Retinopathy, Thigh-High Boots
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Classical/pavolvian conditioning: a stimulus evokes a response formerly evoked by. Stimulus is similar to a trigger (as a response) Unconditional stimulus (ucs): a stimulus that evokes an. The first stimulus/trigger for the behavior that evokes a response. Unconditioned response (ucr): an unlearned response/reaction to a ucs that occurs without previous conditioning. The natural relationship of something provoking a response by reflex. Ucs (unconditional stimulus) provokes the ucr (unconditional response) because they are naturally, reflectively and automatically associated. I. e. when a dog sees food the food is the ucs (the stimulus) and the dog salivating is the ucr (the response) I. e. presence of a puppy (ucs) and fear (ucr) I. e. reflex to poop (ucs) and excitement (ucr) own. Step 1: neutral stimulus: a stimulus that does not elicit a response on its. Trials of pairing between the ns (neutral stimulus) to the ucs (stimulus)
